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GEOTECHNICAL CONSTRUCTION

www.envirocon.com INDUSTRIES SERVED

Envirocon has the experts and equipment to deliver geotechnical

Aerospace construction projects on a fast-track, design-build basis.

Slurry Walls Installation 132,000-square-foot Installation of a 103-foot deep slurry wall Bio-Polymer Collection vibrated beam slurry wall Chemical Permeable Reactive Barriers Construction of a 4,500-foot long slurry wall, In Situ Stabilization varying from 15 to 30-feet deep

Soil Mixed -off Walls & Systems Energy Jet Grouting & Other Grouting Techniques In situ solidification of coal tar Industry Leading Safety Performance

Manufacturing nvirocon is a leading provider of specialty geotechnical BIO-POLYMER COLLECTION TRENCHES IN SITU STABILIZATION SOIL-MIXED CUT-OFF WALLS solutions to civil and environmental projects requiring “in Envirocon has constructed bio-polymer Envirocon is adept using soil mix When conventional slurry walls the ground” construction. Envirocon’s projects include E collection trenches with biodegradeable containment and in situ stabilization cannot be constructed due to limited the installation of some of the longest and deepest slurry and slurry to stabilize earthen slopes, intercept techniques that address our client’s access or questionable stability, soil- reactive barrier walls in North America, as as the installation contaminated , and dewater needs. Using a mixing head mounted mixed cut-off walls can be a viable, of sheetpile containment and excavation support systems, Construction of a 6,300-foot excavations, all at a fraction of the cost on a hollow drill shaft allows us to inject cost-effective alternative to reinforced installation of soil mix containment and foundation systems, and long slurry wall of conventional shored excavations. After a reagent through the shaft to act as diaphragm slurry walls. Mining & Metals innovative in situ stabilization and treatment systems. trenching is complete, collection pipes, a drilling fluid. The reagent mixes in SLURRY TRENCHING TECHNIQUES manholes, and backfill are placed, a place with the surrounding soil, forming breaker solution is used to biodegrade a stabilized column. By overlapping soil- Slurry trenching enables excavation under stabilizing the slurry. mixed columns, soil mixing is a cost- slurry without shoring or excavation support systems. After effective means of treating contaminated AT A GLANCE excavation, the trench is backfilled with specified materials. in situ. The stabilization can be PERMEABLE REACTIVE BARRIERS (PRB) augmented with reagents to further Business Size: SLURRY WALLS Envirocon has installed numerous remediate contamination. Founded: Employees: Projects Completed: Nuclear Large Envirocon constructs slurry walls for civil applications, PRB walls, including one of the largest 1988 400 2,800+ such as levee strengthening and for remedial applications PRB walls in North America to treat JET GROUTING Business like controlling groundwater. Slurry walls are vertical groundwater. Utilizing bio-polymer slurry Jet grouting uses high velocity jets to barriers that prevent the lateral flow of subsurface methods, a vertical trench is excavated hydraulically shear soil and blend a fluids and are a cost-effective containment solution for and backfilled with a reactive material, cement-based grout to form a cylindrical groundwater remediation. After excavation under bentonite typically zero-valent iron, that passively Markets: soil-grout column. Largest Project Size: Bonding Capacity: slurry, trenches are backfilled with soil and bentonite or with treats contaminated groundwater as it United States Oil & Gas self-hardening slurry that stabilizes the trench during excavation. passes through the wall. $75,000,000 $100,000,000 & Canada INDUSTRIES SERVED

Envirocon has the experts and equipment to deliver geotechnical

Aerospace construction projects on a fast-track, design-build basis.

Slurry Walls Installation 132,000-square-foot Installation of a 103-foot deep slurry wall Bio-Polymer Collection Trenches vibrated beam slurry wall Chemical Permeable Reactive Barriers Construction of a 4,500-foot long soil bentonite slurry wall, In Situ Stabilization varying from 15 to 30-feet deep

Soil Mixed Cut-off Walls & Foundation Systems Energy Jet Grouting & Other Grouting Techniques In situ solidification of coal tar Industry Leading Safety Performance

Manufacturing nvirocon is a leading provider of specialty geotechnical BIO-POLYMER COLLECTION TRENCHES IN SITU STABILIZATION SOIL-MIXED CUT-OFF WALLS solutions to civil and environmental projects requiring “in Envirocon has constructed bio-polymer Envirocon is adept using soil mix When conventional slurry walls the ground” construction. Envirocon’s projects include E collection trenches with biodegradeable containment and in situ stabilization cannot be constructed due to limited the installation of some of the longest and deepest slurry and slurry to stabilize earthen slopes, intercept techniques that address our client’s access or questionable stability, soil- reactive barrier walls in North America, as well as the installation contaminated groundwater, and dewater needs. Using a mixing head mounted mixed cut-off walls can be a viable, of sheetpile containment and excavation support systems, Construction of a 6,300-foot excavations, all at a fraction of the cost on a hollow drill shaft allows us to inject cost-effective alternative to reinforced installation of soil mix containment and foundation systems, and long slurry wall of conventional shored excavations. After a reagent through the shaft to act as concrete diaphragm slurry walls. Mining & Metals innovative in situ stabilization and treatment systems. trenching is complete, collection pipes, a drilling fluid. The reagent mixes in SLURRY TRENCHING TECHNIQUES manholes, and backfill are placed, a place with the surrounding soil, forming breaker solution is used to biodegrade a stabilized column. By overlapping soil- Slurry trenching enables trench excavation under stabilizing the slurry. mixed columns, soil mixing is a cost- slurry without shoring or excavation support systems. After effective means of treating contaminated AT A GLANCE excavation, the trench is backfilled with specified materials. soils in situ. The stabilization can be PERMEABLE REACTIVE BARRIERS (PRB) augmented with reagents to further Business Size: SLURRY WALLS Envirocon has installed numerous remediate contamination. Founded: Employees: Projects Completed: Nuclear Large Envirocon constructs slurry walls for civil applications, PRB walls, including one of the largest 1988 400 2,800+ such as levee strengthening and for remedial applications PRB walls in North America to treat JET GROUTING Business like controlling groundwater. Slurry walls are vertical groundwater. Utilizing bio-polymer slurry Jet grouting uses high velocity jets to barriers that prevent the lateral flow of subsurface methods, a vertical trench is excavated hydraulically shear soil and blend a fluids and are a cost-effective containment solution for and backfilled with a reactive material, cement-based grout to form a cylindrical groundwater remediation. After excavation under bentonite typically zero-valent iron, that passively Markets: soil-grout column. Largest Project Size: Bonding Capacity: slurry, trenches are backfilled with soil and bentonite or with treats contaminated groundwater as it United States Oil & Gas self-hardening slurry that stabilizes the trench during excavation. passes through the wall. $75,000,000 $100,000,000 & Canada AB BC SK MB QC ON NS WA ME MT ND VT OR MN NH ID SD NY MA WI RI WY MI CT IA PA NE NJ NV IL OH MD DE UT IN WV CA CO VA KS MO KY NC TN AZ OK NM AR SC MS AL GA LA TX

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CORPORATE HEADQUARTERS 101 International Drive, Missoula, MT 59808 I 406.523.1150

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EDMONTON, AB HOUSTON 145 Carleton Dr, Ste. 240, St. Albert, AB T8N 3S6 10497 Town & Ctry Way, Ste. 700, Houston, TX 77024 780.470.0106 713.239.1101

KENNEWICK OMAHA 6722 W. Kennewick Ave, Ste. A, Kennewick, WA 99336 2163 Windridge Lane, Omaha, NE 68152 509.987.1771 402.451.7171

PITTSBURGH SACRAMENTO 318 Rainbow Dr, Aliquippa, PA 15001 4110 Truxel Rd, Ste. 130, Sacramento, CA 95834 724.831.3612 916.419.7374

ST. LOUIS VALPARAISO 5098 Romaine Springs Dr, Fenton, MO 63026 457 Campbell St, Valparaiso, IN 46385 314.753.5682 219.548.0042